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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/Def2TZVPP
 hartrees
Energy at 0K-245.971860
Energy at 298.15K 
HF Energy-245.644706
Nuclear repulsion energy162.293010
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULL/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3309 3309 0.10 123.13 0.10 0.18
2 A' 3286 3286 0.20 52.10 0.65 0.79
3 A' 3267 3267 0.63 88.44 0.36 0.53
4 A' 1591 1591 8.99 3.29 0.04 0.08
5 A' 1460 1460 31.11 30.97 0.26 0.41
6 A' 1406 1406 5.17 3.15 0.05 0.10
7 A' 1250 1250 5.05 14.07 0.10 0.19
8 A' 1159 1159 22.35 3.78 0.40 0.57
9 A' 1126 1126 7.48 11.51 0.08 0.15
10 A' 1050 1050 6.75 2.76 0.63 0.78
11 A' 936 936 10.37 3.80 0.60 0.75
12 A' 919 919 1.11 1.07 0.53 0.69
13 A' 877 877 22.69 6.38 0.16 0.28
14 A" 920 920 5.35 0.83 0.75 0.86
15 A" 881 881 0.64 0.15 0.75 0.86
16 A" 792 792 62.41 0.03 0.75 0.86
17 A" 650 650 2.51 0.15 0.75 0.86
18 A" 613 613 12.47 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12745.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12745.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/Def2TZVPP
ABC
0.32860 0.32175 0.16257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.366 0.000
C2 0.618 -0.959 0.000
C3 0.000 1.124 0.000
N4 -0.691 -0.991 0.000
O5 -1.092 0.345 0.000
H6 2.145 0.693 0.000
H7 1.159 -1.889 0.000
H8 -0.179 2.184 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41781.35552.26552.21541.07262.25502.2361
C21.41782.17281.30902.15002.24971.07613.2418
C31.35552.17282.22541.34162.18763.22851.0743
N42.26551.30902.22541.39493.29812.05613.2159
O52.21542.15001.34161.39493.25533.17112.0532
H61.07262.24972.18763.29813.25532.76412.7602
H72.25501.07613.22852.05613.17112.76414.2867
H82.23613.24181.07433.21592.05322.76024.2867

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.308 C1 C2 H7 128.924
C1 C3 O5 110.448 C1 C3 H8 133.599
C2 C1 C3 103.139 C2 C1 H6 128.673
C2 N4 O5 105.295 C3 C1 H6 128.188
C3 O5 N4 108.811 N4 C2 H7 118.768
O5 C3 H8 115.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability